The Complete Guide to Electronic Games by Howard J. Blumenthal
(1981, 310 pages, PB). ISBN: 0-452-25268-7, Original price: $6.95.
Look for it used at Amazon.com and Ebay.com.

Detailed listing of most of the handheld electronic games available by 1981, listed with estimated price. Also has a
small section featuring the Atari 2600, Intellivision, Odyssey 2 and APF M1000 systems. From the cover: "Over 170
games for children and adults described, compared, and rated for price and playability. Fully illustrated with 153
photographs."